CVE-2025-20217
HighSummary
Podatność w funkcjonalności inspekcji pakietów silnika detekcji Snort 3 w oprogramowaniu Cisco Secure Firewall Threat Defense (FTD) może pozwolić nieautoryzowanemu, zdalnemu atakującemu na spowodowanie stanu odmowy usługi (DoS) na podatnym urządzeniu. Problem wynika z nieprawidłowego przetwarzania ruchu przez urządzenie.
Risk Assessment
Atakujący może wykorzystać tę podatność, wysyłając spreparowany ruch, co może doprowadzić do nieskończonej pętli w procesie inspekcji, skutkując stanem DoS. To może prowadzić do przerwy w dostępności usług na urządzeniu.
Recommendation
Zaleca się aktualizację oprogramowania Cisco Secure Firewall Threat Defense do najnowszej wersji, aby usunąć tę podatność oraz monitorowanie ruchu sieciowego w celu wykrywania potencjalnych prób ataku.
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Original NVD description (English source)
A vulnerability in the packet inspection functionality of the Snort 3 Detection Engine of Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incorrect processing of traffic that is inspected by an affected device. An attacker could exploit this vulnerability by sending crafted traffic through the affected device. A successful exploit could allow the attacker to cause the affected device to enter an infinite loop while inspecting traffic, resulting in a DoS condition. The system watchdog will restart the Snort process automatically.

